cam a22 4500 257261672 CHVBK 20201209092926.0 090711s2009 xxu||||| |||| 00 |eng d 978-1-60618-992-4 (RERO)R005125785 RERO gevbge s1ht rero Hoppes Ronald R. (IDREF)152826688 cre The most important clock in America the David Rittenhouse astronomical musical clock at Drexel University Ronald R. Hoppes Philadelphia American Philosophical Society 2009 99 p. txt rdacontent n rdamedia nc rdacarrier Transactions of the American Philosophical Society vol. 99, pt. 2 Rittenhouse, David (IDREF)060320338 idref 18e siècle (RERO)A021017285 rero Horloges astronomiques (RERO)A021007406 rero Philadelphie (Etats-Unis) (RERO)A010131301 rero Études diverses (RERO)A022249905 rero Transactions of the American Philosophical Society : held at Philadelphia for promoting useful knowledge 99,2 (RERO)000068661 BK020000 XK020000 XK020000 RERO RE31083 RE31083 RE310830001 CMIH 681.113.91 HOP CMIH 2530 RERO RE61001 RE61001 RE610010022 BGE Ra 94/99/2 RERO 100 1- Hoppes Ronald R. (IDREF)152826688 cre RERO 490 1- Transactions of the American Philosophical Society vol. 99, pt. 2 RERO 830 -- Transactions of the American Philosophical Society : held at Philadelphia for promoting useful knowledge 99,2 (RERO)000068661 SWISSBIB 109797817